Shin surfing device



FIG. 1 is a perspective view of a shin surfing device showing my newdesign;

FIG. 2 is an inner side elevational view thereof;

FIG. 3 is a top plan view thereof, the bottom plan view being the same;and,

FIG. 4 is a perspective view thereof showing the surfing device appliedto a swimmer's legs and used in carrying out the surfing exercise.

The ornamental design for a shin surfing device, as shown and described.